Involution

Involution; 1 Introduction; 2 Formal Geometry of Differential Equations; 3 Involution I: Algebraic Theory; 4 Completion to Involution; 5 Structure Analysis of Polynomial Modules; 6 Involution II: Homological Theory; 7 Involution III: Differential Theory; 8 The Size of the Formal Solution Space; 9 Existence and Uniqueness of Solutions; 10 Linear Differential Equations; A Miscellaneous; B Algebra; C Differential Geometry; References; Glossary; Index